Oops, it doesn't look like 'sadboy day' is a national day..

Other days

camera

Camera Day
aloxolt

Aloxolt Day
artists

Artists Day
boy friend

Boy Friend Day
tell a fairytale

Tell A Fairytale Day
self appreciation

Self Appreciation Day
self care

Self Care Day
pumpkin

Pumpkin Day
lumpy rug

Lumpy Rug Day
me

Me Day